fzca52 tjsj 162035
cwfsju
expires:202609170930;;564752

coastal waters forecast
national weather service san juan pr
435 pm ast wed sep 16 2026

puerto rico and the u.s. virgin islands waters  

seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves. 


amz712-170930-
coastal waters of northern puerto rico out 10 nm-
435 pm ast wed sep 16 2026

...small craft should exercise caution...

.tonight...east winds 15 to 20 knots, diminishing to 10 to 15 knots
late this evening and overnight. seas 3 to 4 feet, occasionally to
5 feet. wave detail: east 4 feet at 6 seconds. isolated
thunderstorms. 
.thursday...east winds 10 to 15 knots with gusts up to 25 knots.
seas 3 to 4 feet, occasionally to 5 feet. wave detail: east 4 feet
at 6 seconds and northeast 1 foot at 14 seconds. numerous showers. 
.thursday night...east winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. gusts up to 25 knots. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: east 4 feet at 7 seconds and
northeast 1 foot at 13 seconds. scattered showers. 
.friday...east winds 10 to 15 knots, increasing to 15 to 20 knots in
the afternoon. seas 3 to 4 feet, occasionally to 5 feet. wave
detail: east 4 feet at 7 seconds and northeast 1 foot at 12 seconds.
numerous showers. 
.friday night...east winds 10 to 15 knots with gusts up to 25 knots,
diminishing to 5 to 10 knots after midnight. seas 3 to 5 feet,
occasionally to 6 feet. wave detail: east 4 feet at 6 seconds and
north 2 feet at 9 seconds. scattered showers. 
.saturday...east winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots in the afternoon. seas 3 to 4 feet,
occasionally to 5 feet. wave detail: east 3 feet at 7 seconds and
north 2 feet at 8 seconds. scattered showers. 
.saturday night...east winds 10 to 15 knots with gusts up to
20 knots, becoming southeast 5 to 10 knots after midnight. seas
around 3 feet. scattered showers. 
.sunday...east winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. seas around 3 feet. scattered showers in the
afternoon. 
.sunday night...southeast winds 5 to 10 knots. seas around 3 feet. 
.monday...east winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. seas 2 to 3 feet. scattered showers in the morning. 
.monday night...east winds 10 to 15 knots, becoming southeast 5 to
10 knots after midnight. seas around 3 feet. scattered showers. 

winds and seas higher in and near thunderstorms.

$$

fzca52 tjsj 162035
cwfsju
expires:202609170930;;564757

coastal waters forecast
national weather service san juan pr
435 pm ast wed sep 16 2026

puerto rico and the u.s. virgin islands waters  

seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves. 


amz735-170930-
coastal waters of southern puerto rico out 10 nm-
435 pm ast wed sep 16 2026

...small craft should exercise caution...

.tonight...east winds 15 to 20 knots, diminishing to 10 to 15 knots
late this evening and overnight. seas 3 to 4 feet, occasionally to
5 feet. wave detail: east 4 feet at 6 seconds. scattered showers.
isolated thunderstorms late this evening and overnight. 
.thursday...east winds 15 to 20 knots, diminishing to 10 to 15 knots
in the afternoon. seas 3 to 4 feet, occasionally to 5 feet. wave
detail: east 4 feet at 6 seconds. showers.
.thursday night...east winds 10 to 15 knots with gusts up to
25 knots. seas 3 to 4 feet, occasionally to 5 feet. wave detail:
east 4 feet at 7 seconds. scattered showers. 
.friday...east winds 10 to 15 knots with gusts up to 20 knots. seas
3 to 4 feet, occasionally to 5 feet. wave detail: east 4 feet at
7 seconds. numerous showers in the morning. 
.friday night...east winds 10 to 15 knots with gusts up to 20 knots.
seas 3 to 4 feet, occasionally to 5 feet. wave detail: east 4 feet
at 7 seconds. 
.saturday...east winds 10 to 15 knots with gusts up to 20 knots.
seas 3 to 4 feet, occasionally to 5 feet. wave detail: east 3 feet
at 6 seconds. scattered showers in the morning. 
.saturday night...east winds 5 to 10 knots. seas 2 to 3 feet.
scattered showers. 
.sunday...east winds 10 to 15 knots. seas 2 to 3 feet. 
.sunday night...east winds 5 to 10 knots. seas 2 to 3 feet. 
.monday...east winds 10 to 15 knots. seas 2 to 3 feet. 
.monday night...east winds 10 to 15 knots. seas 2 to 3 feet. 

winds and seas higher in and near thunderstorms.

$$

fzca52 tjsj 162035
cwfsju
expires:202609170930;;564758

coastal waters forecast
national weather service san juan pr
435 pm ast wed sep 16 2026

puerto rico and the u.s. virgin islands waters  

seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves. 


amz741-170930-
mona passage southward to 17n-
435 pm ast wed sep 16 2026

...small craft should exercise caution...

.tonight...east winds 15 to 20 knots with gusts up to 25 knots. seas
3 to 5 feet, occasionally to 6 feet. wave detail: east 5 feet at
6 seconds. scattered showers early this evening, then isolated
showers late this evening. scattered showers with isolated
thunderstorms after midnight. 
.thursday...east winds 15 to 20 knots with gusts up to 25 knots.
seas 3 to 5 feet, occasionally to 6 feet. wave detail: east 5 feet
at 6 seconds. numerous showers, mainly in the morning. 
.thursday night...east winds 10 to 15 knots with gusts up to
25 knots. seas 4 to 5 feet, occasionally to 6 feet. wave detail:
east 5 feet at 7 seconds. scattered showers. 
.friday...east winds 10 to 15 knots with gusts up to 20 knots. seas
3 to 5 feet, occasionally to 6 feet. wave detail: east 4 feet at
7 seconds. scattered showers in the afternoon. 
.friday night...east winds 10 to 15 knots with gusts up to 20 knots.
seas 4 to 5 feet, occasionally to 6 feet. wave detail: east 4 feet
at 7 seconds and north 2 feet at 9 seconds. scattered showers. 
.saturday...east winds 10 to 15 knots with gusts up to 20 knots.
seas 3 to 4 feet, occasionally to 5 feet. wave detail: east 4 feet
at 7 seconds and north 2 feet at 8 seconds. 
.saturday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet. 
.sunday...east winds 10 to 15 knots. seas around 3 feet. 
.sunday night...east winds 10 to 15 knots. seas around 3 feet.
scattered showers. 
.monday...east winds 10 to 15 knots. seas 3 to 4 feet, occasionally
to 5 feet. scattered showers. 
.monday night...east winds 10 to 15 knots. seas 3 to 4 feet,
occasionally to 5 feet. scattered showers. 

winds and seas higher in and near thunderstorms.

$$

fzca52 tjsj 162035
cwfsju
expires:202609170930;;564759

coastal waters forecast
national weather service san juan pr
435 pm ast wed sep 16 2026

puerto rico and the u.s. virgin islands waters  

seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves. 


amz742-170930-
coastal waters of northwestern puerto rico out 10 nm-
435 pm ast wed sep 16 2026

.tonight...east winds 10 to 15 knots with gusts up to 25 knots,
diminishing to 5 to 10 knots after midnight. seas 2 to 3 feet. wave
detail: northeast 3 feet at 5 seconds. numerous showers with
isolated thunderstorms early this evening, then isolated showers
late this evening and overnight. 
.thursday...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
northeast 2 feet at 6 seconds. scattered showers in the morning,
then numerous showers in the afternoon. 
.thursday night...east winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: east 3 feet at 5 seconds and northeast 1 foot at 12 seconds.
scattered showers in the evening. 
.friday...east winds 5 to 10 knots. seas 2 to 3 feet. wave detail:
east 3 feet at 6 seconds and north 1 foot at 9 seconds. showers in
the afternoon. 
.friday night...east winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots after midnight. seas 2 to 3 feet. wave
detail: east 2 feet at 5 seconds and north 2 feet at 9 seconds.
scattered showers in the evening. 
.saturday...northeast winds around 5 knots. seas 2 to 3 feet. wave
detail: east 2 feet at 6 seconds and north 2 feet at 8 seconds.
numerous showers in the afternoon. 
.saturday night...east winds 5 to 10 knots. seas 2 to 3 feet. 
.sunday...east winds 5 to 10 knots, diminishing to around 5 knots in
the afternoon. seas 2 to 3 feet. numerous showers in the afternoon. 
.sunday night...east winds around 5 knots. seas 2 to 3 feet. 
.monday...east winds around 5 knots. seas around 2 feet. scattered
showers in the afternoon. 
.monday night...east winds 5 to 10 knots. seas around 2 feet. 

winds and seas higher in and near thunderstorms.

$$

fzca52 tjsj 162035
cwfsju
expires:202609170930;;564760

coastal waters forecast
national weather service san juan pr
435 pm ast wed sep 16 2026

puerto rico and the u.s. virgin islands waters  

seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves. 


amz745-170930-
coastal waters of southwestern puerto rico out 10 nm-
435 pm ast wed sep 16 2026

.tonight...east winds 10 to 15 knots with gusts up to 20 knots. seas
2 to 3 feet. wave detail: east 2 feet at 5 seconds. scattered
showers early this evening, then isolated showers late this evening
and overnight. 
.thursday...east winds 15 to 20 knots with gusts up to 25 knots.
seas 2 to 3 feet. wave detail: southeast 3 feet at 5 seconds.
scattered showers. 
.thursday night...east winds 10 to 15 knots with gusts up to
25 knots. seas 2 to 3 feet. wave detail: east 3 feet at 6 seconds.
scattered showers in the evening. 
.friday...southeast winds 10 to 15 knots with gusts up to 20 knots.
seas 2 to 3 feet. wave detail: southeast 3 feet at 6 seconds.
scattered showers in the afternoon. 
.friday night...east winds 10 to 15 knots with gusts up to 20 knots.
seas 2 to 3 feet. wave detail: southeast 2 feet at 6 seconds and
north 1 foot at 9 seconds. 
.saturday...southeast winds 5 to 10 knots. seas 2 to 3 feet. wave
detail: southeast 2 feet at 6 seconds and north 2 feet at 8 seconds.
numerous showers in the afternoon. 
.saturday night...east winds 5 to 10 knots. seas 2 to 3 feet. 
.sunday...southeast winds 5 to 10 knots. seas 2 to 3 feet. scattered
showers in the afternoon. 
.sunday night...east winds 5 to 10 knots. seas 2 to 3 feet. 
.monday...east winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. seas around 2 feet. scattered showers in
the afternoon. 
.monday night...east winds 5 to 10 knots. seas around 2 feet. 

$$